diff -r 3d66ca73df55 -r 9f157d9c725b src/FingersDance.Control.Player/UserControlPlayer.xaml.cs
--- a/src/FingersDance.Control.Player/UserControlPlayer.xaml.cs	Tue Oct 13 19:09:46 2009 +0200
+++ b/src/FingersDance.Control.Player/UserControlPlayer.xaml.cs	Tue Oct 13 19:33:13 2009 +0200
@@ -10,6 +10,15 @@
 using System.Windows.Navigation;
 using System.ComponentModel;
 using System.Reflection;
+using System.Collections.Generic;
+
+using Microsoft.Surface.Presentation;
+using Microsoft.Surface.Presentation.Controls;
+using FingersDance.ActionFactory;
+using FingersDance.Actions;
+using FingersDance.Control.TimeLine;
+using FingersDance.Views;
+using FingersDance.ViewModels;
 
 namespace FingersDance.Control.Player
 {
@@ -171,5 +180,78 @@
             if(PlayerOpened!=null)
                 PlayerOpened(this, new EventArgs());
         }
+
+        private void Play_Pause_area_DragEnter(object sender, SurfaceDragDropEventArgs e)
+        {
+            //Console.WriteLine("Enter");
+
+            // If the TimelineAnnotationView comes from a user control different from the current one, 
+            // it means that we want to add the annotation to the current list.
+            // So we check if the dragged annotation can be dragged or if it will recover any existant annotation (in this case it will not be accepted)
+            // e.Cursor.DragSource is the SurfaceListBox where the drag started from
+            SurfaceListBox slb = (SurfaceListBox)e.Cursor.DragSource;
+            // We get the instance of the UserControlSyncSource
+            UserControl syncSrc = (UserControl)((Grid)((Grid)this.Parent).Parent).Parent;
+            // and its UserControlTimeline
+            UserControlTimeLine tl = (UserControlTimeLine)((Grid)((Grid)syncSrc.Content).Children[0]).Children[0];
+            if (((Grid)((UserControl)((Grid)slb.Parent).Parent).Parent).Parent != tl)
+            {
+                // e.Cursor.Visual is the ContentControl, so its Content is the dragged TimelineAnnotationView
+                AnnotationViewModel annotationDataVM = (AnnotationViewModel)((TimelineAnnotationView)((ContentControl)e.Cursor.Visual).Content).DataContext;
+                Play_Pause_area.Background = tl.isAnnotationAccepted(annotationDataVM) ? new SolidColorBrush(Colors.Green) : new SolidColorBrush(Colors.Red);
+            }
+            else
+            {
+                Play_Pause_area.Background = new SolidColorBrush(Colors.White);
+            }
+            Play_Pause_area.Opacity = 0.3;
+
+        }
+
+        private void Play_Pause_area_DragLeave(object sender, SurfaceDragDropEventArgs e)
+        {
+            //Console.WriteLine("Leave");
+            Play_Pause_area.Opacity = 0;
+        }
+
+        private void Play_Pause_area_DragOver(object sender, SurfaceDragDropEventArgs e)
+        {
+            //Console.WriteLine("Over");
+        }
+
+        private void Play_Pause_area_Drop(object sender, SurfaceDragDropEventArgs e)
+        {
+            //Console.WriteLine("Drop");
+            Play_Pause_area.Opacity = 0;
+            // e.Cursor.Visual is the ContentControl, so its Content is the dragged TimelineAnnotationView
+            AnnotationViewModel annotationDataVM = (AnnotationViewModel)((TimelineAnnotationView)((ContentControl)e.Cursor.Visual).Content).DataContext;
+            int nbSeconds = (int)annotationDataVM.TcBegin;
+            int nbMilliSec = (int)((annotationDataVM.TcBegin * 1000)%1000);
+            MediaElementVideo.Position = new TimeSpan(0, 0, 0, nbSeconds, nbMilliSec);
+
+
+            // If the TimelineAnnotationView comes from a user control different from the current one, 
+            // it means that we want to add the annotation to the current list.
+            // So we generate the ActionAddAnnotation
+            // e.Cursor.DragSource is the SurfaceListBox where the drag started from
+            SurfaceListBox slb = (SurfaceListBox)e.Cursor.DragSource;
+            // We get the instance of the UserControlSyncSource
+            UserControl syncSrc = (UserControl)((Grid)((Grid)this.Parent).Parent).Parent;
+            // and its UserControlTimeline
+            UserControl tl = (UserControl)((Grid)((Grid)syncSrc.Content).Children[0]).Children[0];
+            if (((Grid)((UserControl)((Grid)slb.Parent).Parent).Parent).Parent != tl)
+            {
+                // Now we build the action arguments : a list holding the timeline and the annotation view models
+                List<Object> actionsArgs = new List<Object>();
+                actionsArgs.Add(tl);
+                actionsArgs.Add(annotationDataVM);
+
+                ActionGenerator ag = new ActionGenerator();
+                ActionBase ab = ag.GetAction("ActionAddAnnotation", actionsArgs);
+                if (ab != null)
+                    ab.Execute();
+            }
+
+        }
 	}
 }
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